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Pumps September class, title,number 09/10Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 09/30/2010 > patent applications in patent subcategories. class, title,number
20100247331 - Set of piston compressors and method for oil compensation: A set of piston compressors (2, 4, 6, 8) for use in a refrigeration system comprises a fluid connection (10) between the crank cases of the piston compressors (2, 4, 6, 8) for allowing oil compensation between said piston compressors (2, 4, 6, 8); and a control unit (12) which... Agent: O''shea Getz P.C.
20100247332 - Pumping system with power optimization: The present invention provides a pumping system for moving water of a swimming pool, including a water pump and a variable speed motor. In one example, a target volume amount of water and an operational time period is provided, and the operational time period is altered based upon a volume... Agent: Greenberg Traurig (phx)
20100247333 - Sputter ion pump: A sputter ion pump includes one vacuum chamber, two parallel anode poles and one cold cathode electron emitter. The vacuum chamber includes at least one aperture located in an outer wall thereof. The two parallel anode poles are positioned in the vacuum chamber and arranged in a symmetrical configuration about... Agent: Altis Law Group, Inc. Attn: Steven Reiss
20100247334 - Piston systems having a flow path between piston chambers, pumps including a flow path between piston chambers, and methods of driving pumps: Piston systems comprise a housing including a first piston chamber and a second piston chamber therein. A first piston is movably disposed within the first piston chamber and a second piston is movably disposed within the second piston chamber. A flow path extends between and couples the first piston chamber... Agent: Traskbritt, P.C.
20100247335 - System for monitoring an electrical submersible pump: A system for monitoring an Electrical Submersible Pump is disclosed comprising a rotation rate sensor located in an ESP gauge (6). When the Electrical Submersible Pump is started the rotating elements rotate in a first direction whilst the static elements will experience an opposing torque in a second opposite direction.... Agent: Bracewell & Giuliani LLP
20100247336 - Turbomolecular pump: The provision of the components requiring cooling on top of the cooling mechanism enables the cooling efficiency to be increased. Furthermore, a case of a control device is attached to the cooling mechanism whereon the components requiring cooling are disposed. The cooling mechanism fulfills the role of the contact surface... Agent: Mcdermott Will & Emery LLP
20100247337 - Air pump for air mattress: An air pump for an air mattress has a housing, a first air vent and a second air vent respectively mounted on a top and a bottom of the housing, a chamber, a blower and an air direction switcher mounted in the chamber, an actuating mechanism, and an air valve.... Agent: The Weintraub Group, P.L.C
20100247338 - High pressure variable displacement piston pump: A variable flow pump includes: a housing with inlet and outlet chambers interconnected by a main bore and a non-rotating cylinder block positioned in the main bore. The cylinder block includes: a central bore communicating with the inlet chamber; cylinder bores arrayed around the central bore; first feed passages interconnecting... Agent: Trego, Hines & Ladenheim, PLLC
20100247339 - Noise-attenuating device for hvac and refrigeration systems: A noise-attenuating device for an HVAC and refrigeration system is provided. The HVAC and refrigeration system includes a condenser and at least one fan system. The noise-attenuating device includes an inner shell with a first outer surface, a first inner surface and a layer of a noise-absorbent material enclosed between... Agent: Carlson, Gaskey & Olds, P.C.
20100247340 - Food centrifugal pump formed by stamping and welding: A food centrifugal pump formed by stamping and welding, comprising a pump casing and a cover mounted therein, an impeller, a shaft and a motor provided on the outer side of the casing, wherein the impeller is mounted on the shaft and driven to rotate by the motor; the pump... Agent: Wood, Herron & Evans, LLP
20100247341 - Irrigation aid: A irrigation aid for a water harvesting device comprising: a housing; at least one inlet incorporated into one side of the housing; an outlet incorporated into the housing and adapted to attach to at least one irrigation line; and a transfer mechanism adapted to transfer water from the at least... Agent: Borden Ladner Gervais LLP Anne Kinsman
20100247351 - Axial flow fan, in particular for a motor vehicle: An axial flow fan is provided that is arranged in a rotatable manner around an axis in a stationary shroud ring, with fan blades. The shroud ring has an essentially cylindrical annular surface with an axial extension from a leading edge to a trailing edge and the fan blades have... Agent: Muncy, Geissler, Olds & Lowe, PLLC
20100247344 - Heat dissipating fan: A heat-dissipating fan has a housing and an impeller. The housing has a receiving space and one or more guide rings. The receiving space forms an airflow inlet and an airflow outlet. The guide ring is mounted near the airflow outlet and has one or two guide surfaces formed thereon... Agent: Sheng-an Yang
20100247347 - Induction motor and hermetic compressor: The present invention is directed to provide an induction motor having an ideal efficiency at the normal operation time, while obtaining a high locked-rotor torque without having to use a special drive circuit. According to the induction motor related to the present invention, the induction motor has a rotor 11... Agent: Buchanan, Ingersoll & Rooney PC
20100247349 - Integrated-inverter electric compressor: A common mode coil can be installed without having to increase the planar area for an inverter accommodating section so that high performance and size reduction and compactness of an inverter device can be achieved. In an integrated-inverter electric compressor (1) in which an outer periphery of a cylindrical housing... Agent: Westerman, Hattori, Daniels & Adrian, LLP
20100247342 - Motor-driven supercharger: A motor-driven supercharger is provided with a stator assembly (29) inserted and attached to a bearing housing (16), and a seal plate (28) closely attached to a compressor side of the stator assembly (29) and comparting between a compressor housing (20) and a motor stator (24). The stator assembly (29)... Agent: Griffin & Szipl, PC
20100247343 - Motor-driven supercharger: A motor stator (24) has a stator iron core (24a), a stator winding (24b), and a mold member (30) embedding them in an inner portion and having a high coefficient of thermal conductivity. The mold member (30) has a heat insulating layer (32) closely attached to an inner surface thereof... Agent: Griffin & Szipl, PC
20100247352 - Power connectors for pump assemblies: A pump assembly includes a pump housing, a motor coupled to the pump housing being operated to drive fluid through the pump housing, and a control module operatively coupled to the motor. The control module has a power connector with power contacts, where the power connector has a plug interface.... Agent: The Small Patent Law Group LLP
20100247345 - Production tubing member with auxiliary conduit: A tubing member for use in well operations comprises a solid core extruded casing surrounding a production tubing passage arranged to receive produced fluids from a well therethrough and one or more auxiliary conduits arranged for communicate with well equipment. The casing is rectangular in cross section having a pair... Agent: Ade & Company Inc.
20100247346 - Terminal device for electric compressor: Provided is a terminal device for an electric compressor in which each inputting female terminal of a cluster holding a plurality of inputting female terminals for input into an electric motor built in a compressor in a resin housing is engaged with the inner end of each sealed terminal of... Agent: Baker Botts LLP C/o Intellectual Property Department
20100247348 - Terminal device for electric compressor: A terminal device for an electric compressor has a partition wall and a terminal member for supplying electricity to an electric motor for driving a compression mechanism. The partition wall is located between an electric motor-storing section, which stores the electric motor and in which lubricating oil-containing fluid to be... Agent: Baker Botts LLP C/o Intellectual Property Department
20100247350 - Turbomolecular pump device and controlling device thereof: A turbomolecular pump having a pump main unit having, at least, a rotary vein provided on a rotor, a static vein for working in cooperation with the rotary vein to perform a vacuum exhaust, and a motor for driving the rotor, comprising: a controlling device that includes a motor driving... Agent: Mcdermott Will & Emery LLP
20100247353 - Terminal device for electric compressor: A terminal device for an electric compressor has a partition wall and a terminal member for supplying electricity to an electric motor for driving a compression mechanism. The partition wall is located between an electric motor-storing section, which stores the electric motor and in which lubricating oil-containing fluid to be... Agent: Baker Botts LLP C/o Intellectual Property Department
20100247356 - Air pump for air mattress: An air pump manually rotated to inflate and deflate an air mattress has a housing, a first and a second air vents mounted on the housing, an air valve selectively actuated to block or open the second air vent, and a mounting rack in the housing. The mounting rack is... Agent: Cooper & Dunham, LLP
20100247355 - Built-in electric air pump for inflatable product: The present invention disclosed a built-in electric air pump for inflatable product, including a housing, a panel cover, an impeller, a motor, an intake, an air valve orifice, an air valve and an air passage part forming a motor chamber, an impeller chamber and an air passage in the housing,... Agent: Lucas & Mercanti, LLP
20100247354 - Angular oscillation centrifugal pump: A turbo type centrifugal pump is provided in which an angular oscillator is angularly oscillated so that fluid in a radial through hole receives centrifugal force. The angular oscillator is used in combination with a resonance oscillation motor that generates angular oscillation. The resonance oscillation motor is incorporated in the... Agent: Fitch Even Tabin & Flannery
20100247357 - Device comprising a combination of a chamber and a piston: It is further possible that the piston has a fixed geometrical shape, that the wall of the chamber has different sizes of cross-sections in the direction of the movement and is arranged to adapt itself to the piston. Moreover, both the piston and the and the wall of the chamber... Agent: Troutman Sanders LLP 5200 Bank Of America Plaza
20100247358 - Plastic element, piston pump, and assembly method: The invention relates to a one-piece plastic element having an inlet valve cover and an inlet valve seat element for an inlet valve of a piston pump of a hydraulic brake system of a motor vehicle. The inlet valve is designed as a check valve, and the inlet valve cover... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.
20100247359 - Actively controlled valve and method for operating an actively controlled valve: The invention relates to an actively controlled valve (1) having a housing (6) and comprising a displaceably supported valve plate (4) having aperture openings (4a) and a counter plate (2) disposed in a fixed manner relative to the housing (6) and having aperture openings (2a), wherein the valve plate (4)... Agent: Pearl Cohen Zedek Latzer, LLP09/23/2010 > patent applications in patent subcategories. class, title,number
20100239433 - Continuous sucker rod and method of using same: A continuous sucker rod preferably comprising fiberglass or composite material for use in an well is described herein. The continuous sucker rod may be connected at one end to a pump drive, via a polished rod, and at a second end to a downhole pump, via sinker bars or other... Agent: Leydig Voit & Mayer, Ltd. (rockford Office)
20100239434 - Apparatuses and methods for fluid evacuation: The present invention is directed to devices and methods for evacuating fluids from a flexible conduit, particularly to evacuating water from a fire hose. In one aspect, a fluid evacuating apparatus is utilized to evacuate a fluid, such as water, from a flexible conduit, such as, for example, a fire... Agent: Matthew Fox
20100239435 - System and method for magnetic coupling jet with air control: A fluid displacing apparatus, system, and method is provided. The apparatus includes a motor having a first shaft, the motor for rotating the first shaft; a first magnetic element coupled to the first shaft such that rotation of the first shaft causes rotation of the first magnetic element; a second... Agent: Haynes And Boone, LLPIPSection
20100239436 - A thermal pump: A thermal pump for moving a sample fluid to and through an analyzer. The pump may have a lack of moving mechanical parts when pumping except for check valves. The thermal pump may have in lieu of each mechanical check valve a thermal or fluid mechanism that effectively operates as... Agent: Honeywell/cst Patent Services
20100239437 - Fluid channeling device for back-to-back compressors: A fluid channeling device including a channeling body, an axial transfer channel, and a radial outlet channel. The channeling body includes first and second annular body sections spaced axially apart and a tubular body section extending between the first and second body sections. The axial transfer channel is defined axially... Agent: Edmonds Nolte, PC
20100239438 - Hermetic compressor: A Inlet pipe (151) communicating the space inside the hermetic enclosure with sound absorbing space (147) of inlet muffler (145) is provided so as to be inclined downward from inlet-pipe inlet (155) toward inlet-pipe outlet (157). Outlet pipe (153) communicating sound absorbing space (147) with an inlet valve includes outlet-pipe... Agent: Brinks Hofer Gilson & Lione/panasonic
20100239439 - Engine driven pump disconnect mechanism: An engine driven pump includes a drive apparatus that is assisted into the disengaged condition prior to disconnect by the ported pressure in the pump. A spring-biased actuator assembly is fluidly connected to a depressure valve of the pump, and along with its spring bias, urges a yoke into a... Agent: Christopher H. Hunter
20100239440 - vacuum pump: The present invention provides a vacuum pump (10) suitable for mounting at a lower region of an engine such as in the oil sump of an engine. The vacuum pump (10) includes a casing (12) having a cavity (14) containing a movable member (18), wherein the cavity (14) is provided... Agent: Downs Rachlin Martin PLLC
20100239441 - Compressor system for underwater use in the offshore area: The invention relates to a compressor system (1), particularly for conveying gases or gas/oil mixtures in the offshore area, with a seawater-tight housing (2) with at least one access opening (3) for gases or gas/oil mixtures which are to be compressed, and with at least one outlet opening (4) for... Agent: Henry M Feiereisen, LLC Henry M Feiereisen
20100239442 - Protection system for subsea seawater injection pumps: This invention relates to a pump system, especially for boosting the flow rate of a fluid through a pipe (1, 2, 6), comprising a pump positioned in a pump chamber (10) for pumping at a chosen rate, and a motor driving said pump, the motor being positioned in a chamber... Agent: Winstead PC
20100239443 - Scroll fluid machine: A scroll fluid machine comprises a housing, two fixed scrolls each of which is fixed on each side of the housing, an endless transmitting member connected to an electric motor, a driven pulley wound by the transmitting member, a thrust-offsetting shaft rotatably mounted at a position eccentric from a axis... Agent: Ostrolenk Faber Gerb & Soffen
20100239444 - Layered piezoelectric element and piezoelectric pump: A piezoelectric element that is capable of achieving a larger amount of displacement and in which migration between electrodes hardly occurs, is included in a piezoelectric pump. The piezoelectric pump includes a first excitation electrode opposed to a second excitation electrode via a first piezoelectric layer in a central area... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP
20100239445 - Flange of a high-pressure fuel pump: The invention relates to a high-pressure fuel pump for operating an internal combustion engine, with the pump being connected to a low-pressure and a high-pressure circuit. The pump includes a pump housing and a pump flange with which the pump is detachably fastened to the internal combustion engine. A pump... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.09/16/2010 > patent applications in patent subcategories. class, title,number
20100232980 - Air compressor: An air compressor 20, for enabling to restart a fan motor when an inverter trip generates within an inverter control of the fan motor, as well as, to continue supplying of compressed air therefrom, comprises: a compressor main body 1; a compressor motor 2 for driving this compressor main body... Agent: Crowell & Moring LLP Intellectual Property Group
20100232981 - Controller for a motor and a method of controlling the motor: A method of controlling a motor operating a pumping apparatus of a system includes determining a trip value for a parameter, floating the trip value, and monitoring the operation of the pump. Monitoring the operation of the pump includes determining a value for the parameter, comparing the value to the... Agent: Michael Best & Friedrich LLP
20100232982 - Control device for electric compressor and start control method of electric compressor: The present invention has an object to provide a control device for an electric compressor and a start control method of an electric compressor that can smoothly and reliably start the electric compressor even at high temperature. Even in a high temperature state of a power transistor, a rotational speed... Agent: Westerman, Hattori, Daniels & Adrian, LLP
20100232984 - Compressor unit and use of a cooling medium: A compressor unit comprises a centrifugal compressor for compressing a gas, having a rotor with one or more compressor impellers, and an electric motor having a stator and a rotor, for driving the rotor of the compressor. The compressor and the electric motor are accommodated in a common gas-tight housing... Agent: Siemens Corporation Intellectual Property Department
20100232985 - Fuel gas conditioning with membrane separation: Compressed natural gas is produced by a compressor, located near a natural gas well. The compressor being driven by a gas engine. A portion of the compressed natural gas is diverted, and passed through a dehydration membrane, and also through a gas-separation membrane which selects for carbon dioxide. The result... Agent: William H. Eilberg
20100232983 - Inverter compressor operating method and compressor driving device: A boot capacitor that functions as an operating power supply for a high-arm-side transistor provided in an inverter has to be charged prior to normal operation of a motor. This operation of charging the boot capacitor is performed at a carrier frequency that is lower than a carrier frequency for... Agent: Birch Stewart Kolasch & Birch
20100232986 - Micro total analysis system equipped with leakage prevention mechanism: A micro total analysis system, comprising: an examination chip provided with a micro flow path and a flow path opening section communicating with a micropump on the upstream side of a reagent containing section, a drive fluid tank containing drive fluid, a micropump unit provided with a plurality of the... Agent: Cantor Colburn, LLP
20100232987 - Variable displacement inclined plate type compressor: A variable displacement inclined plate type compressor comprising a spindle, an inclined plate provided to be inclinable relative to the spindle and rotating together with the spindle, a pair of shoes arranged to hold the inclined plate therebetween, and a piston coupled with the inclined plate through the pair of... Agent: Baker Botts LLP C/o Intellectual Property Department
20100232988 - Tethered airfoil methods and systems: The present invention relates to methods and compositions for power generation using a tethered airfoil. In particular, the present invention provides a cost effective, environmentally friendly alternative to generate power for the oil, water, and electric industries or any other application where power is desired.... Agent: Casimir Jones, S.c.
20100232989 - Variable displacement oil pump: A variable displacement oil pump includes a rotor; a plurality of vanes; a cam ring; a housing; a biasing member configured to biases the cam ring in a direction that enlarges an eccentricity between a rotation center of the rotor and a center of inner circumferential surface of the cam... Agent: Antonelli, Terry, Stout & Kraus, LLP
20100232990 - Centrifugal discharge pump with bladed impeller for dishwashers and similar electric household appliances: The impeller (10) comprises a planar support element (11) integral with the transmission shaft (6), and a plurality of blades (12) projecting from the planar extension of this element; a free space (13) of predefined volume is provided between the blades (12) in order to allow the removal of foreign... Agent: Akerman Senterfitt
20100232991 - Electric compressor: In an inverter control apparatus in which a control circuit board is fixed by use of pin-like terminals provided in a power board, the breakage of the pin-like terminals is prevented. The power board 160 is provided with a plurality of signal transmission terminals 210a, 210b, 220a, 220b for signal... Agent: Westerman, Hattori, Daniels & Adrian, LLP
20100232992 - Actuator with grooved piston for a fluid infusion device: An apparatus for delivering a fluid includes a housing, an inlet in the housing for receiving the fluid, and an outlet in the housing for discharging the fluid. A piston channel is provided within the housing through which the fluid flows from the inlet to the outlet. An actuator is... Agent: Ingrassia Fisher & Lorenz, P.C.
20100232993 - Motor: A motor includes a coming-off preventing portion including an inner circumferential edge defining a through hole, inside which a substantially cylindrical bearing housing is inserted, and being arranged axially above an insulator. The inner circumferential edge has at least two different radial dimensions. A boss portion includes a columnar portion... Agent: Nidec Corporation C/o Keating & Bennett, LLP
20100232994 - Piston pump for delivering a fluid, and associated brake system: A piston pump includes a piston assembly which has at least one transverse bore which corresponds to a longitudinal bore. The piston pump further includes a cylinder in which the piston assembly is guided in a longitudinally movable manner, and an inlet valve which includes a cage element, in which... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.
20100232995 - Effervescent gas bleeder apparatus: A diaphragm metering pump suitable for metering an effervescent gas. The pump has a pump head with a product chamber having an inlet end with a one-way inlet valve and an outlet end with a one-way outlet valve. A displaceable diaphragm member defines a boundary of the product chamber. The... Agent: Hodgson Russ LLP The Guaranty Building
20100232996 - Piston pump for thick substances: The invention relates to a piston pump for thick matter, in particular for high-solids sewage sludge, coal sludge and concrete. The piston pump has at least one delivery cylinder (16) which contains a motor-driven or hydraulically driven delivery piston (20) and which has an orifice (12) which communicates alternately with... Agent: Collard & Roe, P.C.
20100232997 - Doubled seal disk for piston pump: A pump assembly in the context of a piston pump having a piston carrying a disk which extends radially outwardly to engage a wall of a chamber to substantially prevent fluid flow in one direction and yet permit deflection of the disk away from the wall of the chamber to... Agent: Riches, Mckenzie & Herbert, LLP
20100232998 - Piston pump for delivering a fluid, and associated brake system: A piston pump includes a piston assembly which has a first piston element, a second piston element, and at least one transverse bore which corresponds to a longitudinal bore. The piston pump further includes a cylinder in which the piston assembly is guided in a longitudinally movable manner, and an... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.09/09/2010 > patent applications in patent subcategories. class, title,number
20100226792 - Fan control system and air conditioner that includes the same: A fan control system includes a first fan, a second fan that is adjacent to the first fan, a first motor that is configured to rotate the first fan, a second motor that is configured to rotate the second fan, and a control unit. The control unit is configured to... Agent: GlobalIPCounselors, LLP
20100226793 - Method for determining the flow rate or the actuation frequency of a fluid pump, particularly in an electronic motor vehicle brake system: A method, and use of the method in motor vehicle brake control systems, for determining the delivery capacity or the frequency of activation of a fluid pump, in particular a hydraulic pump, in an electronic pressure control unit, wherein the latter comprises not only a pressure circuit controller which is... Agent: Ratnerprestia
20100226794 - Self-ventilating centrifugal pump: In order to ventilate a centrifugal pump (1) having a centrifugal pump outlet space (6) and a centrifugal pump suction space (4), as well as having an additional ventilation pump (3), preferably configured as a vacuum pump, having a ventilation pump inlet (14) and a ventilation pump outlet (15), which... Agent: Collard & Roe, P.C.
20100226795 - High pressure fuel pump with parallel cooling fuel flow: A high pressure fuel pump with parallel cooling fuel flow is disclosed wherein a fuel pump barrel having a substantially cylindrical plunger bore with an annular drain groove is provided. A first fuel path is provided that fluidically couples a fuel supply to an annular cooling ring formed on the... Agent: Studebaker & Brackett PC
20100226796 - Rotary compressor: A stagnation space defined by barriers is provided in a first muffler chamber communicating with a first cylinder chamber. The stagnation space overlaps with a refrigerant-gas inlet side of the first cylinder chamber, the inlet side being bordered by a center plane as viewed in a direction of a center... Agent: GlobalIPCounselors, LLP
20100226797 - Fan assembly: A bladeless fan assembly for creating an air current includes a nozzle mounted on a base housing a device for creating an air flow. The nozzle includes an interior passage for receiving the air flow and a mouth for emitting the air flow. The nozzle defines, and extends about, an... Agent: Morrison & Foerster LLP
20100226798 - Tidal energy system: A completely submersed means of extracting energy from a tidal flow is particularly adapted to pump water to be stored and used around tidal change periods or to stabilize the output of offshore windmills. It can be retrieved and brought to the surface for maintenance and also repositioned on the... Agent: William Kingston
20100226799 - Variable displacement pump: A variable displacement oil pump for an automotive engine. The oil pump includes a cam ring accommodating thereinside a pump element having a rotor. The cam ring is swingingly movably accommodated in a housing and biased in a direction to increase an eccentricity amount of the cam ring relative to... Agent: Antonelli, Terry, Stout & Kraus, LLP
20100226800 - Vehicle electric compressor: Provided is a vehicle electric compressor in which damage, such as damage to the function of an inverter unit or a high-voltage cable, is less likely to occur even when an external force is applied. A vehicle electric compressor (10) in which a compressing mechanism for compressing and discharging intake... Agent: Westerman, Hattori, Daniels & Adrian, LLP
20100226801 - Fan assembly: A fan assembly for creating an air current includes a base having an air inlet and an air outlet, the base housing an impeller and a motor for rotating the impeller to create an air flow passing from the air inlet to the air outlet. The fan assembly further includes... Agent: Morrison & Foerster LLP
20100226803 - Electric pump: A pump is driven by a compact electric motor in which a coil is disposed in a ring form around and along a stator core which has a plurality of claw magnetic poles that extend alternately from both ends of one member of the stator core toward the end of... Agent: Crowell & Moring LLP Intellectual Property Group
20100226802 - Fan motor and blower including the same motor: A fan motor includes a pair of fans axially mounted to both sides of a rotary shaft of the motor. The motor includes an inner rotor placed inside a stator wound with windings and an outer rotor placed outside the stator. The motor thus has a dual-rotor structure where the... Agent: Ratnerprestia
20100226804 - Pump: A pump includes a cylinder and a plunger. The cylinder defines an outlet-side passage therein. The plunger is reciprocably received within the cylinder. An inner peripheral surface of the cylinder and an end surface of the plunger define a pump chamber. The outlet-side passage is communicated with the pump chamber.... Agent: Nixon & Vanderhye, PC
20100226805 - Refrigerant compressor: A refrigerant compressor, comprising a hermetically sealed compressor housing (1), in whose interior (8) a piston-cylinder unit (4) compressing a refrigerant operates, which sucks in refrigerant from outside (9) the compressor housing (1) via a suction pipe (2) and expels the refrigerant under compression via a pressure section (3, 6),... Agent: Collard & Roe, P.C.
20100226806 - Active electric accumulator: The present invention provides an active, electrically powered hydraulic fluid accumulator. The accumulator includes an electric motor having its output coupled to a mechanical rotation to linear translation transducer such as a lead screw, ball spline or similar device. The output of the mechanical transducer is coupled to a piston... Agent: Vivacqua Law, PLLC09/02/2010 > patent applications in patent subcategories. class, title,number
20100221124 - Fluid transporting device using conductive polymer: A fluid transporting device is provided with a pump chamber that has a pump function for sucking and discharging a fluid, and is filled therein with the fluid, a casing unit which forms one portion of a wall surface of the pump chamber, a diaphragm which is formed by a... Agent: Wenderoth, Lind & Ponack L.L.P.
20100221125 - Pump with suction and pressure control for dry particulate material: A pump for particulate material includes a pump chamber wherein material flows into the pump chamber under negative pressure and flows out of the pump chamber under positive pressure. A plurality of pinch valves are provided to control flow of material into and out of the pump chamber. The pinch... Agent: Calfee, Halter & Griswold, LLP
20100221126 - Variable displacement variable pressure vane pump system: A traditional variable displacement vane pump must be designed to provide maximum fluid pressure and thus experiences reduced energy efficiency when the system operating conditions do not necessitate such high requirements. A variable displacement variable pressure vane pump system is provided comprising a first control mechanism, which can be a... Agent: Magna International, Inc.
20100221127 - Main coolant pump: An engine pump assembly (1), particularly a main coolant pump, composed of a housing (4) of a rotary pump with delivery means arranged therein, a heat barrier part (6), a motor part (5) which drives the delivery means, and force transmitting connecting elements (7) between a housing flange (8) of... Agent: Crowell & Moring LLP Intellectual Property Group
20100221128 - Compact dry-running piston compressor: A compact dry-running piston compressor includes at least one cylinder for the compression of air by a corresponding piston, which may be driven by an electric motor with a crank drive made up of a crankshaft and connecting rod. The crank drive is rotatably mounted in an oil-bath-free compressor housing... Agent: Crowell & Moring LLP Intellectual Property Group
20100221129 - Hermetic compressor: A hermetic compressor of the present invention includes a thrust-ball bearing having balls (168) disposed in a holder (170) in a manner that the balls (168) roll along at least two tracks (182a, 182b, 184a and 184b). The invented structure decreases the number of balls (168) that roll along each... Agent: Wenderoth, Lind & Ponack L.L.P.
20100221130 - Blood pump apparatus: A blood pump apparatus comprises a housing, a centrifugal pump section including an impeller and rotating inside the housing to feed a fluid by a centrifugal force, an impeller rotational torque generation section for attracting thereto said impeller and rotating said impeller; and a plurality of grooves for hydrodynamic bearing... Agent: Buchanan, Ingersoll & Rooney PC
20100221131 - Pump: The present invention provides a diaphragm-type pump for feeding a low-viscosity fluid such as air under high pressure while miniaturizing the size of a feeding means. In the pump connected with a feeding pipe and a delivery pipe for delivering a fluid fed from the feeding pipe through the delivery... Agent: Jordan And Hamburg LLP
20100221132 - Inlet for pump: An inlet for a pump is provided herein including a first elongated component and a tubular second elongated component disposed coaxially about the first elongated component so as to define a space therebetween. Advantageously, with the subject invention, an inlet for a pump can be provided which can be modularly... Agent: Hoffmann & Baron, LLPPrevious industry: Fluid reaction surfaces (i.e., impellers)
Next industry: Rotary expansible chamber devices
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